Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if possible

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Subject: Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if possible
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Wed, 21 Sep 2016 22:57:24 +0100
Cc: Amir Goldstein <amir73il@xxxxxxxxx>, Miklos Szeredi <miklos@xxxxxxxxxx>, "linux-unionfs@xxxxxxxxxxxxxxx" <linux-unionfs@xxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, "Darrick J . Wong" <darrick.wong@xxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>
In-reply-to: <20160921214814.GC10454@dastard>
References: <1473856994-27463-1-git-send-email-amir73il@gmail.com> <1473856994-27463-3-git-send-email-amir73il@gmail.com> <CAJfpegvtCf7mPanvmhU8vmoyQTUsVo-O0bpNxwnt4abkJ5ZD6Q@mail.gmail.com> <CAOQ4uxjEUghU=-RDBOn5zg6hrM1pn1FseEspO8hCLcSnH4WNGA@mail.gmail.com> <20160921214814.GC10454@dastard>
User-agent: Mutt/1.6.1 (2016-04-27)

On Thu, Sep 22, 2016 at 07:48:15AM +1000, Dave Chinner wrote:

> If you get any error other than -EXDEV or -EOPNOTSUPP from a clone
> operation, there's somethign seriously wrong with the metadata of
> the inode or th eunderlying storage.

Such as -ENOSPC?
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Follow-Ups:
- Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if possible
  - From: Dave Chinner

References:
- [PATCH v3 0/4] ovl: efficient copy up by reflink
  - From: Amir Goldstein
- [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if possible
  - From: Amir Goldstein
- Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if possible
  - From: Miklos Szeredi
- Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if possible
  - From: Amir Goldstein
- Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if possible
  - From: Dave Chinner

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